Apple Safari up to 15.5 WebRTC memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$5k-$25k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apple Safari up to 15.5. This affects an unknown function of the component WebRTC. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2022-2294. The attack can be executed remotely. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Apple Safari up to 15.5 (Web Browser) and classified as critical. This vulnerability affects an unknown code block of the component WebRTC. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 07/20/2022 by Jan Vojtesek as HT213341 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2022-2294. Successful exploitation requires user interaction by the victim. Technical details are unknown but an exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/25/2026). The advisory points out:

Processing maliciously crafted web content may lead to arbitrary code execution.

It is declared as attacked. This issue was added on 08/25/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 09/15/2022:

Apply updates per vendor instructions.

Upgrading to version 15.6 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A memory corruption issue was addressed with improved state management.

The vulnerability is also documented in the databases at Zero-Day.cz (706) and EUVD (EUVD-2022-34567). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Safari 15.6

Timelineinfo

07/03/2022 🔍
07/20/2022 +17 days 🔍
07/20/2022 +0 days 🔍
07/22/2022 +2 days 🔍
05/25/2026 +1403 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT213341
Researcher: Jan Vojtesek
Status: Confirmed

CVE: CVE-2022-2294 (🔍)
GCVE (CVE): GCVE-0-2022-2294
GCVE (VulDB): GCVE-100-204916
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/22/2022 13:10
Updated: 05/25/2026 14:56
Changes: 07/22/2022 13:10 (19), 07/22/2022 13:13 (27), 08/20/2022 12:13 (2), 04/27/2024 13:24 (27), 06/18/2024 15:04 (2), 06/29/2024 02:00 (12), 09/24/2024 11:53 (1), 02/03/2025 20:58 (11), 04/30/2025 13:27 (3), 05/12/2025 21:38 (1), 05/25/2026 14:56 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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